Emoji on Windows 7

Microsoft backports Windows 8 emoji to Windows 7 and Windows Server 2008 R2

This update is available from the Microsoft Update website: Windows Update

Direct download the update file from Microsoft:

Operating system
x86 versions of Windows 7 Download form Microsoft
x64 versions of Windows 7 Download form Microsoft
x86 versions of Windows Server 2008 R2 Download form Microsoft
x64 versions of Windows Server 2008 R2 Download form Microsoft